Backgroud:The electroacupuncture of auricular concha area(EA-ACR)proved to have a good regulatory effect on insomnia and the release of melatonin,which is most closely related to sleep.However,there is little research...Backgroud:The electroacupuncture of auricular concha area(EA-ACR)proved to have a good regulatory effect on insomnia and the release of melatonin,which is most closely related to sleep.However,there is little research to demonstrate the relationship between EA-ACR and melatonin.The objective of present study is to observe the effects of EA-ACR on the circadian rhythm of melatonin secretion in p-chlorophenylalanine(PCPA)-induced insomnia rats.Methods:The study divided 36 male Sprague-Dawley rats randomly into three groups:12 in blank group,12 in model group,and 12 in EA-ACR group.By using PCPA intraperitoneal injection for 2 days,insomnia model was established.EA-ACR group was treated for 28 days.We observed the effects of EA-ACR on the rats'behavioral changes,open-field test and weight during the experiment.After the experiment,the rat tail and heart blood were collected,and the melatonin was detected by enzyme-linked immunosorbent assay.Results:Compared with the blank group,28–30 hours after PCPA intraperitoneal injection,the circadian rhythm of sleep and the total sleep time of model rats decreased.Compared with the model group,electrical stimulation in the ear concha region could effectively reverse the behavioral changes of rats,and increase the trend of weight growth(P=0.010),the crossing score(P=0.014),vertical motion score(P=0.015)and the level of plasma melatonin secretion(P=0.020)with the trend showing a rhythmic pattern(0–60 minutes upward,60–120 minutes downward,120–150 minutes upward).Conclusion:EA-ACR can improve the quality of life(weight),ameliorate exploring irritable and anxiety behaviors in PCPA-induced insomnia rats.The underlying effects of EA-ACR may be excited on the circadian rhythm of melatonin secretion in PCPA-induced insomnia rats.展开更多
Objective:To observe the impacts of electroacupuncture(EA)at auricular concha on gastrointestinal motility in the rats with type 2 diabetes(T2D).Methods:A total of 30 SD male rats were collected.8 rats of them were in...Objective:To observe the impacts of electroacupuncture(EA)at auricular concha on gastrointestinal motility in the rats with type 2 diabetes(T2D).Methods:A total of 30 SD male rats were collected.8 rats of them were in a control group and the rest22 rats were prepared as the model of T2D by intraperitoneal injection with streptozotocin(STZ)and high-fat forage.Blood glucose≥16.7 mmol/L for 3 times was considered as modeling success in rats,thus the rats were collected in a T2D group(n=16).These 16 T2D rats were divided into a model group(n=8)and an intradermal auricular electroacupuncture stimulation(iaES)group(n=8)according to random number table.In the iaES group,intervention with EA was applied at auricular concha unilaterally each time,once daily,on both sides alternatively,5-day treatment as 1 course,at the interval of 2 days between courses,totally for 4 weeks.No any intervention was given in the model group and the control group.At the end of 4 weeks of intervention,the gastric emptying and intestinal propulsion were determined,ELISA method was adopted to determine gastrin(GAS)and motilin(MTL),and random blood glucose value and food intake were recorded in the iaES group,the model group and the control group successively.Results:After modeling,as compared with the control group,the food intake and random blood glucose were increased significantly(both P<0.001)and body weight was reduced obviously(P<0.01)in the T2D group.After intervention for 4 weeks,compared with the model group,the food intake and gastric content weight were obviously reduced(both P<0.05),the serum GAS content,gastric emptying and intestinal transit rate,as well as random blood glucose reduction were all higher(all P<0.05)in the rats of the iaES group,but the difference was not significant in MTL between the iaES groups and the model group(P>0.05).Conclusion:Electroacupuncture at auricular concha improves gastrointestinal motility in T2D model rats.展开更多
Objective:To explore whether auricular concha eletroacupuncture(ACEA)is effective in regulating lipidlipoprotein metabolism in rats submitted to cold stress.Methods:Thirty-six adult male Sprague-Dawley rats were place...Objective:To explore whether auricular concha eletroacupuncture(ACEA)is effective in regulating lipidlipoprotein metabolism in rats submitted to cold stress.Methods:Thirty-six adult male Sprague-Dawley rats were placed in four groups(9 rats in each group),the rats in three groups of which were submitted to cold stress for fourteen days,the last one of which was a control group.After the cold stress process,in those three groups,the rats of one group were with no treatment(stress only),two were treated with either ACEA or auricular margin eletroacupuncture(AMEA)repeated for fourteen days.On the 14th day,all the rats were sacrificed after all experimental procedure for blood sampling.Blood glucose,triglycerides(TG),total cholesterol(TC),high-density lipoprotein cholesterol(HDL-C)and low-density lipoprotein cholesterol(LDL-C)levels were tested by using the collected serum.Plasma lecithin-cholesterol acyltransferase(LCAT)was measured with ELISA kit.Results:ACEA down-regulated the TG level(P<0.05)and LDL-C level(P<0.05),and up-regulated HDL-C level(P<0.05)and LACT level(P<0.05).AMEA did not regulate the bio-markers.Conclusion:ACEA played an important role in regulating lipid-lipoprotein metabolism in rats submitted to cold stress.展开更多
目的观察耳电针治疗药物难治性抑郁症(treatment-resistant depression,TRD)临床疗效,探索其静息态功能磁共振成像(resting state functional MRI,rs-fMRI)脑机制。材料与方法招募20例TRD患者,采用耳电针治疗8周,于治疗前(第0周)及治疗...目的观察耳电针治疗药物难治性抑郁症(treatment-resistant depression,TRD)临床疗效,探索其静息态功能磁共振成像(resting state functional MRI,rs-fMRI)脑机制。材料与方法招募20例TRD患者,采用耳电针治疗8周,于治疗前(第0周)及治疗后(第8周)用17项汉密尔顿抑郁量表(HAMD-17)评估抗抑郁疗效;并参加rs-fMRI扫描,以双侧前扣带回喙部(rostral anterior cingulate cortex,rACC)作为种子点,比较治疗前后静息态脑功能连接(resting state functional connectivity,rs-FC)变化,进一步分析HAMD-17评分差值与FC变化相关性,探讨其脑机制。结果17例TRD患者完成临床研究。治疗前后HAMD-17评分具有统计学意义(P<0.001),9例TRD患者完成脑机制研究。右侧rACC-左侧楔前叶/左侧中央后回FC增强,左侧rACC-左侧舌状回/左侧楔前叶/左侧中央后回FC增强;左侧rACC-右侧楔前叶FC降低。左侧rACC-左侧舌状回的增强FC与HAMD-17积分差值呈显著正秩相关(r=0.840,P=0.005)。结论耳甲部电针治疗药物难治性抑郁症有效,其脑机制可能与调节rACC与脑默认模式网络重要脑区楔前叶及联合皮层舌状回FC有关。展开更多
基金supported by the Independent Topic Project of China Academy of Chinese Medical Sciences(No.ZZ12007)the National Natural Science Foundation of China(No.81473780).
文摘Backgroud:The electroacupuncture of auricular concha area(EA-ACR)proved to have a good regulatory effect on insomnia and the release of melatonin,which is most closely related to sleep.However,there is little research to demonstrate the relationship between EA-ACR and melatonin.The objective of present study is to observe the effects of EA-ACR on the circadian rhythm of melatonin secretion in p-chlorophenylalanine(PCPA)-induced insomnia rats.Methods:The study divided 36 male Sprague-Dawley rats randomly into three groups:12 in blank group,12 in model group,and 12 in EA-ACR group.By using PCPA intraperitoneal injection for 2 days,insomnia model was established.EA-ACR group was treated for 28 days.We observed the effects of EA-ACR on the rats'behavioral changes,open-field test and weight during the experiment.After the experiment,the rat tail and heart blood were collected,and the melatonin was detected by enzyme-linked immunosorbent assay.Results:Compared with the blank group,28–30 hours after PCPA intraperitoneal injection,the circadian rhythm of sleep and the total sleep time of model rats decreased.Compared with the model group,electrical stimulation in the ear concha region could effectively reverse the behavioral changes of rats,and increase the trend of weight growth(P=0.010),the crossing score(P=0.014),vertical motion score(P=0.015)and the level of plasma melatonin secretion(P=0.020)with the trend showing a rhythmic pattern(0–60 minutes upward,60–120 minutes downward,120–150 minutes upward).Conclusion:EA-ACR can improve the quality of life(weight),ameliorate exploring irritable and anxiety behaviors in PCPA-induced insomnia rats.The underlying effects of EA-ACR may be excited on the circadian rhythm of melatonin secretion in PCPA-induced insomnia rats.
基金Supported by Tradition Chinese Medicine Science Technology Project of Jiangsu Province:YB201808Postgraduate Practice Innovation Program of Jiangsu Province:KYCX20_1544。
文摘Objective:To observe the impacts of electroacupuncture(EA)at auricular concha on gastrointestinal motility in the rats with type 2 diabetes(T2D).Methods:A total of 30 SD male rats were collected.8 rats of them were in a control group and the rest22 rats were prepared as the model of T2D by intraperitoneal injection with streptozotocin(STZ)and high-fat forage.Blood glucose≥16.7 mmol/L for 3 times was considered as modeling success in rats,thus the rats were collected in a T2D group(n=16).These 16 T2D rats were divided into a model group(n=8)and an intradermal auricular electroacupuncture stimulation(iaES)group(n=8)according to random number table.In the iaES group,intervention with EA was applied at auricular concha unilaterally each time,once daily,on both sides alternatively,5-day treatment as 1 course,at the interval of 2 days between courses,totally for 4 weeks.No any intervention was given in the model group and the control group.At the end of 4 weeks of intervention,the gastric emptying and intestinal propulsion were determined,ELISA method was adopted to determine gastrin(GAS)and motilin(MTL),and random blood glucose value and food intake were recorded in the iaES group,the model group and the control group successively.Results:After modeling,as compared with the control group,the food intake and random blood glucose were increased significantly(both P<0.001)and body weight was reduced obviously(P<0.01)in the T2D group.After intervention for 4 weeks,compared with the model group,the food intake and gastric content weight were obviously reduced(both P<0.05),the serum GAS content,gastric emptying and intestinal transit rate,as well as random blood glucose reduction were all higher(all P<0.05)in the rats of the iaES group,but the difference was not significant in MTL between the iaES groups and the model group(P>0.05).Conclusion:Electroacupuncture at auricular concha improves gastrointestinal motility in T2D model rats.
基金Supported by Major National R&D Program of China:Z161100002616003Joint Sino-German-Project:GZ1236+2 种基金The Fundamental Research Funds for the Central Public Welfare Research Institutes:ZZ16012Chinese Postdoctoral Science Foundation:2016M590185Natural Science Foundation of Beijing:7111007。
文摘Objective:To explore whether auricular concha eletroacupuncture(ACEA)is effective in regulating lipidlipoprotein metabolism in rats submitted to cold stress.Methods:Thirty-six adult male Sprague-Dawley rats were placed in four groups(9 rats in each group),the rats in three groups of which were submitted to cold stress for fourteen days,the last one of which was a control group.After the cold stress process,in those three groups,the rats of one group were with no treatment(stress only),two were treated with either ACEA or auricular margin eletroacupuncture(AMEA)repeated for fourteen days.On the 14th day,all the rats were sacrificed after all experimental procedure for blood sampling.Blood glucose,triglycerides(TG),total cholesterol(TC),high-density lipoprotein cholesterol(HDL-C)and low-density lipoprotein cholesterol(LDL-C)levels were tested by using the collected serum.Plasma lecithin-cholesterol acyltransferase(LCAT)was measured with ELISA kit.Results:ACEA down-regulated the TG level(P<0.05)and LDL-C level(P<0.05),and up-regulated HDL-C level(P<0.05)and LACT level(P<0.05).AMEA did not regulate the bio-markers.Conclusion:ACEA played an important role in regulating lipid-lipoprotein metabolism in rats submitted to cold stress.
